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|
# frozen_string_literal: true
RSpec.describe Morpher::Transform::Boolean do
subject { described_class.new }
describe '#call' do
def apply
subject.call(input)
end
context 'on true' do
let(:input) { true }
it 'returns sucess' do
expect(apply).to eql(right(input))
end
end
context 'on false' do
let(:input) { false }
it 'returns sucess' do
expect(apply).to eql(right(input))
end
end
context 'on nil input' do
let(:input) { nil }
let(:error) do
Morpher::Transform::Error.new(
cause: nil,
input: input,
message: 'Expected: boolean but got: nil',
transform: subject
)
end
it 'returns failure' do
expect(apply).to eql(left(error))
end
end
context 'on truthy input' do
let(:input) { '' }
let(:error) do
Morpher::Transform::Error.new(
cause: nil,
input: input,
message: 'Expected: boolean but got: ""',
transform: subject
)
end
it 'returns failure' do
expect(apply).to eql(left(error))
end
end
end
end
|
